The only way that can work with this mill is if Linux (or another OS) can give
the VM 100% exclusive access to a serial port. NO interruptions at all, not
even just a look-see to check the port status. Any communications interruptions
and it stops dead.
On Wednesday, March 31, 2021, 7:29:20 PM MDT, Chris Albertson
<albertson.ch...@gmail.com> wrote:
For MS-DOS, use a virtual machine under Linux. Oracle's "Virtualbox" will
run DOS 6. Virtualbox is free.
On Wed, Mar 31, 2021 at 4:43 PM Gregg Eshelman via Emc-users <
emc-users@lists.sourceforge.net> wrote:
> I'm looking for something like that which can run MS-DOS and has a
> contiguous 64K upper memory region free or four 16K regions free to work
> with LIM EMS 4.0. The problem I run into with newer hardware is the UMA is
> so chunked up with areas reserved for all the built in peripherals, and
> disabling them in BIOS usually doesn't free up space in the UMA.
> My old ProLight 2000 mill uses old DOS software that only works with EMS
> as a place to load gcode. The software must predate the 80386 and they
> didn't want to be one of the few programs using the extended memory
> capabilities of the 80286, or use something like DOS4GW or another 3rd
> party "DOS Extender" to access additional RAM. I've run it off a laptop
> booted from a USB 1.44M floppy. Have to use the gcode file splitter utility
> that's with the mill software to chunk it into pieces that fit into low
> memory after DOS and the PLM2000 software take their parts. The splitter
> puts a command at the end of each chunk to load the next chunk.
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